This weather info comes from a Davis Vantage Pro 2 wireless weather system in the back yard.
Wind direction and speed, temperature, humidity, barometric pressure
and rainfall are monitored.
This data is sent to a program called UI-View32, which is running on my
home PC. Every few minutes
the current conditions are transimitted via TCP/IP or Ham Radio on 144.390 MHZ
to the APRS network.